md/raid10: fix still_degraded being inverted in raid10_sync_request()

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/raid10.c"
                    ],
                    "versions": [
                        {
                            "version": "fe6a19d40ceb44281905485f56dda715e3214e0e",
                            "lessThan": "9bb8da6ecb330a5b1ac9b96f1e55f134a7aef1d4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fe6a19d40ceb44281905485f56dda715e3214e0e",
                            "lessThan": "0efabe6229dc683dbf6eeebd0f9fddc7971ed420",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fe6a19d40ceb44281905485f56dda715e3214e0e",
                            "lessThan": "00449d752bee9c8787f42ea1bf533a9fb17f9b6b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fe6a19d40ceb44281905485f56dda715e3214e0e",
                            "lessThan": "47f1441b281decde6954a2fa82b4131637d685ac",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/md/raid10.c"
                    ],
                    "versions": [
                        {
                            "version": "6.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }